Proper noun
An American comic strip character, noted for her kindly role in solving other people's problems.
A spirit of folklore that can be summoned in a mirror, known by various "Mary" names.
Source: en.wiktionary.orgAnother "feud" seemed to be looming when, in one run of Sunday strips in 1957, Capp lampooned the comic strip Mary Worth as "Mary Worm." Source: Internet